<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"> 
	<title>Bootstrap 实例 - 折叠面板</title>
	<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
	<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
	<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
     <div class="panel-group" id="accordion">
        <div class="panel panel-default">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a href="#collapseOne" data-toggle="collapse" 
                    data-parent="#accordion">点击我进行展开，再次点击我进行折叠第一部分</a>
                </h4>
            </div>
            <div id="collapseOne" class="panel-collapse collapse in">
                <div class="panel-body">
                        Nihil anim keffiyeh helvetica, craft beer labore 
                        wes anderson 
                        cred nesciunt sapiente ea proident. Ad vegan
                        excepteur butcher 
                        vice lomo.
                </div>
            </div>
        </div>
        <div class="panel panel-default">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <a href="#collapseTwo" data-toggle="collapse"
                    data-parent="#accordion">
                    点击我进行展开，再次点击我进行折叠。第 2 部分
                    </a>
                </h4>
            </div>
            <div class="panel-collapse collapse" id="collapseTwo">
                <div class="panel-body">
                        Nihil anim keffiyeh helvetica, craft beer labore wes anderson 
                        cred nesciunt sapiente ea proident. Ad vegan excepteur butcher 
                        vice lomo.
                </div>
            </div>
        </div>
     </div>
     <div class="panel panel-default">
        <div class="panel-heading">
            <h4 class="panel-title"> 
                <a href="#collapseThree" data-toggle="collapse"
                data-parent="#accordion">点击我进行展开，再次点击我进行折叠。第 3 部分
                </a>
            </h4>
        </div>
        <div id="collapseThree" class="panel-collapse collapse">
            <div class="panel-body">
                    Nihil anim keffiyeh helvetica, craft beer labore wes anderson 
                    cred nesciunt sapiente ea proident. Ad vegan excepteur butcher 
                    vice lomo.
            </div>
        </div>
     </div>
</body>
</html>